Home / 711,414,460.81-1,067,486,491.73-343,263,383.38

Finding the Fourth Proportional to 711,414,460.81, 1,067,486,491.73 and 343,263,383.38

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Solution

The fourth proportional to 711,414,460.81, 1,067,486,491.73 and 343,263,383.38 is: 515,071,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,414,460.81 : 1,067,486,491.73 = 343,263,383.38 : x
  2. Step 2: Convert to fraction form
    711,414,460.81/1,067,486,491.73 = 343,263,383.38/x
  3. Step 3: Cross multiply
    711,414,460.81x = 1,067,486,491.73 × 343,263,383.38
  4. Step 4: Simplify right side
    711,414,460.81x = 366,429,024,864,162,432
  5. Step 5: Solve for x
    x = 366,429,024,864,162,432/711,414,460.81
  6. Step 6: Final answer
    x = 515,071,094.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.